<div>
    <p>
    A Groovy script that will output an list of strings.<br/>
    Each of those string will become a value in the axis.<br/>
    If the script does not return a list of strings then [default] will be returned instead.
    </p>

    <p>
    Example:
    <pre>
def dir = new File('/')
def result = []
dir.eachFile {
    if (it.isFile()) {
        result += it.canonicalPath
    }
}
return result
    </pre>
    </p>
</div>